<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>框架内容</title>
	<link rel="stylesheet" href="css/common.css">
	<style>
		.iframe_infos {
			padding-left: 10px;
			padding-top: 15px;
		}

		.iframe_infos .text {
			margin-bottom: 13px;
		}

		.iframe_infos .course_info {
			width: 774px;
			height: 170px;
			line-height: 20px;
			background-color: #f1f1f1;
			border: 1px solid #d7d7d7;
			border-radius: 3px;
			box-shadow: 0px 2px 1px #cecece;
		}
	</style>
</head>
<body>
<div class="iframe_infos">
<p class="text">这里输入我的课程的详情信息情况</p>
<form action="" method="post">
	<textarea class="course_info" name="summary"></textarea>
</form>
</div>
</body>
</html>